52149889 has 8 divisors (see below), whose sum is σ = 59885280. Its totient is φ = 44913600.

The previous prime is 52149887. The next prime is 52149893. The reversal of 52149889 is 98894125.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52149889 - 2¹ = 52149887 is a prime.

It is a super-2 number, since 2×52149889² = 5439221845424642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52149887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124552 + ... + 124969.

It is an arithmetic number, because the mean of its divisors is an integer number (7485660).

Almost surely, 2^52149889 is an apocalyptic number.

It is an amenable number.

52149889 is a deficient number, since it is larger than the sum of its proper divisors (7735391).

52149889 is a wasteful number, since it uses less digits than its factorization.

52149889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249551.

The product of its digits is 207360, while the sum is 46.

The square root of 52149889 is about 7221.4880045597. The cubic root of 52149889 is about 373.6094013724.

It can be divided in two parts, 52 and 149889, that added together give a palindrome (149941).

The spelling of 52149889 in words is "fifty-two million, one hundred forty-nine thousand, eight hundred eighty-nine".